--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotConstantRetrievalOp.java	2016-12-09 00:48:44.611342422 -0800
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.hotspot.amd64;
+
+import static jdk.vm.ci.code.ValueUtil.asRegister;
+
+import java.util.ArrayList;
+import java.util.EnumSet;
+
+import jdk.vm.ci.code.CallingConvention;
+import jdk.vm.ci.meta.AllocatableValue;
+import jdk.vm.ci.meta.Constant;
+import jdk.vm.ci.meta.Value;
+
+import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
+import org.graalvm.compiler.lir.LIRFrameState;
+import org.graalvm.compiler.lir.LIRInstructionClass;
+import org.graalvm.compiler.lir.LIRValueUtil;
+import org.graalvm.compiler.lir.ValueProcedure;
+import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
+
+public final class AMD64HotSpotConstantRetrievalOp extends AMD64LIRInstruction {
+    public static final LIRInstructionClass<AMD64HotSpotConstantRetrievalOp> TYPE = LIRInstructionClass.create(AMD64HotSpotConstantRetrievalOp.class);
+
+    @Def protected AllocatableValue result;
+    protected final Constant[] constants;
+    @Alive protected AllocatableValue[] constantDescriptions;
+    @Temp protected AllocatableValue[] gotSlotOffsetParameters;
+    @Temp protected AllocatableValue[] descriptionParameters;
+    @Temp protected Value[] callTemps;
+    @State protected LIRFrameState frameState;
+    private final ForeignCallLinkage callLinkage;
+    private final Object[] notes;
+
+    private class CollectTemporaries implements ValueProcedure {
+        ArrayList<Value> values = new ArrayList<>();
+
+        CollectTemporaries() {
+            forEachTemp(this);
+        }
+
+        public Value[] asArray() {
+            Value[] copy = new Value[values.size()];
+            return values.toArray(copy);
+        }
+
+        @Override
+        public Value doValue(Value value, OperandMode mode, EnumSet<OperandFlag> flags) {
+            values.add(value);
+            return value;
+        }
+    }
+
+    public AMD64HotSpotConstantRetrievalOp(Constant[] constants, AllocatableValue[] constantDescriptions, LIRFrameState frameState, ForeignCallLinkage callLinkage, Object[] notes) {
+        super(TYPE);
+        this.constantDescriptions = constantDescriptions;
+        this.constants = constants;
+        this.frameState = frameState;
+        this.notes = notes;
+        assert constants.length == notes.length;
+
+        // call arguments
+        CallingConvention callingConvention = callLinkage.getOutgoingCallingConvention();
+        this.gotSlotOffsetParameters = new AllocatableValue[constants.length];
+        int argIndex = 0;
+        for (int i = 0; i < constants.length; i++, argIndex++) {
+            this.gotSlotOffsetParameters[i] = callingConvention.getArgument(argIndex);
+        }
+        this.descriptionParameters = new AllocatableValue[constantDescriptions.length];
+        for (int i = 0; i < constantDescriptions.length; i++, argIndex++) {
+            this.descriptionParameters[i] = callingConvention.getArgument(argIndex);
+        }
+        this.result = callingConvention.getReturn();
+
+        this.callLinkage = callLinkage;
+
+        // compute registers that are killed by the stub, but are not used as other temps.
+        this.callTemps = new Value[0];
+        this.callTemps = LIRValueUtil.subtractRegisters(callLinkage.getTemporaries(), new CollectTemporaries().asArray());
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
+        // metadata_adr
+        for (int i = 0; i < constants.length; i++) {
+            crb.recordInlineDataInCodeWithNote(constants[i], notes[i]);
+            masm.leaq(asRegister(gotSlotOffsetParameters[i]), masm.getPlaceholder(-1));
+        }
+
+        for (int i = 0; i < constantDescriptions.length; i++) {
+            masm.movq(asRegister(descriptionParameters[i]), asRegister(constantDescriptions[i]));
+        }
+
+        final int before = masm.position();
+        masm.call();
+        final int after = masm.position();
+        crb.recordDirectCall(before, after, callLinkage, frameState);
+    }
+
+}